Render Options in Rails 3 - Yehuda Katz looks at how Rails 3's rendering pipeline works and demonstrates how to add a custom PDF renderer to it.

——YehudaKatz关于Rails3的渲染通道工作，并演示了如何添加自定义的PDF格式渲染器（render）。

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I did come across a document (PDF) from the U. s. Consumer Product Safety Commission that suggests that ages four and five are when it's appropriate for kids to "ride small bicycles."

我怡好从美国消费品安全委员会里看到一份文件(PDF格式的)，上面告诉我们，四岁五岁是孩子“骑儿童自行车”的适当年龄。

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According to this handy little booklet (PDF) from the U. S. Department of energy, 11 percent of a household's energy budget is spent on lighting.

根据这本美国能源部的方便小册子(PDF)，家庭能源预算的11%花在了照明上。

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For the reported jet fuel pricing information, please see the U. S. Department of Energy's Spot Prices of jet fuel, which is available in PDF format.

关于公布的航空燃料定价信息，请参阅美国能源部的航空燃料现货价格，此文件以pdf格式提供。

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For the reported jet fuel pricing information, please see the U. S. Department of Energy's Spot Prices of jet fuel, which is available in PDF format.

关于公布的航空燃料定价信息，请参阅美国能源部的航空燃料现货价格，此文件以pdf格式提供。

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